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path: root/drivers/net/ethernet/intel/fm10k/fm10k_main.c
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Diffstat (limited to 'drivers/net/ethernet/intel/fm10k/fm10k_main.c')
-rw-r--r--drivers/net/ethernet/intel/fm10k/fm10k_main.c85
1 files changed, 33 insertions, 52 deletions
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
index 0b465394f88a..0e166e9c90c8 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
@@ -1,5 +1,5 @@
-/* Intel Ethernet Switch Host Interface Driver
- * Copyright(c) 2013 - 2014 Intel Corporation.
+/* Intel(R) Ethernet Switch Host Interface Driver
+ * Copyright(c) 2013 - 2016 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -29,15 +29,15 @@
#include "fm10k.h"
#define DRV_VERSION "0.19.3-k"
+#define DRV_SUMMARY "Intel(R) Ethernet Switch Host Interface Driver"
const char fm10k_driver_version[] = DRV_VERSION;
char fm10k_driver_name[] = "fm10k";
-static const char fm10k_driver_string[] =
- "Intel(R) Ethernet Switch Host Interface Driver";
+static const char fm10k_driver_string[] = DRV_SUMMARY;
static const char fm10k_copyright[] =
- "Copyright (c) 2013 Intel Corporation.";
+ "Copyright (c) 2013 - 2016 Intel Corporation.";
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
-MODULE_DESCRIPTION("Intel(R) Ethernet Switch Host Interface Driver");
+MODULE_DESCRIPTION(DRV_SUMMARY);
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
@@ -424,19 +424,6 @@ static inline void fm10k_rx_hash(struct fm10k_ring *ring,
PKT_HASH_TYPE_L4 : PKT_HASH_TYPE_L3);
}
-static void fm10k_rx_hwtstamp(struct fm10k_ring *rx_ring,
- union fm10k_rx_desc *rx_desc,
- struct sk_buff *skb)
-{
- struct fm10k_intfc *interface = rx_ring->q_vector->interface;
-
- FM10K_CB(skb)->tstamp = rx_desc->q.timestamp;
-
- if (unlikely(interface->flags & FM10K_FLAG_RX_TS_ENABLED))
- fm10k_systime_to_hwtstamp(interface, skb_hwtstamps(skb),
- le64_to_cpu(rx_desc->q.timestamp));
-}
-
static void fm10k_type_trans(struct fm10k_ring *rx_ring,
union fm10k_rx_desc __maybe_unused *rx_desc,
struct sk_buff *skb)
@@ -486,8 +473,6 @@ static unsigned int fm10k_process_skb_fields(struct fm10k_ring *rx_ring,
fm10k_rx_checksum(rx_ring, rx_desc, skb);
- fm10k_rx_hwtstamp(rx_ring, rx_desc, skb);
-
FM10K_CB(skb)->fi.w.vlan = rx_desc->w.vlan;
skb_record_rx_queue(skb, rx_ring->queue_index);
@@ -835,6 +820,8 @@ static void fm10k_tx_csum(struct fm10k_ring *tx_ring,
struct ipv6hdr *ipv6;
u8 *raw;
} network_hdr;
+ u8 *transport_hdr;
+ __be16 frag_off;
__be16 protocol;
u8 l4_hdr = 0;
@@ -852,9 +839,11 @@ static void fm10k_tx_csum(struct fm10k_ring *tx_ring,
goto no_csum;
}
network_hdr.raw = skb_inner_network_header(skb);
+ transport_hdr = skb_inner_transport_header(skb);
} else {
protocol = vlan_get_protocol(skb);
network_hdr.raw = skb_network_header(skb);
+ transport_hdr = skb_transport_header(skb);
}
switch (protocol) {
@@ -863,15 +852,17 @@ static void fm10k_tx_csum(struct fm10k_ring *tx_ring,
break;
case htons(ETH_P_IPV6):
l4_hdr = network_hdr.ipv6->nexthdr;
+ if (likely((transport_hdr - network_hdr.raw) ==
+ sizeof(struct ipv6hdr)))
+ break;
+ ipv6_skip_exthdr(skb, network_hdr.raw - skb->data +
+ sizeof(struct ipv6hdr),
+ &l4_hdr, &frag_off);
+ if (unlikely(frag_off))
+ l4_hdr = NEXTHDR_FRAGMENT;
break;
default:
- if (unlikely(net_ratelimit())) {
- dev_warn(tx_ring->dev,
- "partial checksum but ip version=%x!\n",
- protocol);
- }
- tx_ring->tx_stats.csum_err++;
- goto no_csum;
+ break;
}
switch (l4_hdr) {
@@ -884,9 +875,10 @@ static void fm10k_tx_csum(struct fm10k_ring *tx_ring,
default:
if (unlikely(net_ratelimit())) {
dev_warn(tx_ring->dev,
- "partial checksum but l4 proto=%x!\n",
- l4_hdr);
+ "partial checksum, version=%d l4 proto=%x\n",
+ protocol, l4_hdr);
}
+ skb_checksum_help(skb);
tx_ring->tx_stats.csum_err++;
goto no_csum;
}
@@ -912,11 +904,6 @@ static u8 fm10k_tx_desc_flags(struct sk_buff *skb, u32 tx_flags)
/* set type for advanced descriptor with frame checksum insertion */
u32 desc_flags = 0;
- /* set timestamping bits */
- if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
- likely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS))
- desc_flags |= FM10K_TXD_FLAG_TIME;
-
/* set checksum offload bits */
desc_flags |= FM10K_SET_FLAG(tx_flags, FM10K_TX_FLAGS_CSUM,
FM10K_TXD_FLAG_CSUM);
@@ -1198,9 +1185,10 @@ void fm10k_tx_timeout_reset(struct fm10k_intfc *interface)
* fm10k_clean_tx_irq - Reclaim resources after transmit completes
* @q_vector: structure containing interrupt and ring information
* @tx_ring: tx ring to clean
+ * @napi_budget: Used to determine if we are in netpoll
**/
static bool fm10k_clean_tx_irq(struct fm10k_q_vector *q_vector,
- struct fm10k_ring *tx_ring)
+ struct fm10k_ring *tx_ring, int napi_budget)
{
struct fm10k_intfc *interface = q_vector->interface;
struct fm10k_tx_buffer *tx_buffer;
@@ -1238,7 +1226,7 @@ static bool fm10k_clean_tx_irq(struct fm10k_q_vector *q_vector,
total_packets += tx_buffer->gso_segs;
/* free the skb */
- dev_consume_skb_any(tx_buffer->skb);
+ napi_consume_skb(tx_buffer->skb, napi_budget);
/* unmap skb header data */
dma_unmap_single(tx_ring->dev,
@@ -1449,8 +1437,10 @@ static int fm10k_poll(struct napi_struct *napi, int budget)
int per_ring_budget, work_done = 0;
bool clean_complete = true;
- fm10k_for_each_ring(ring, q_vector->tx)
- clean_complete &= fm10k_clean_tx_irq(q_vector, ring);
+ fm10k_for_each_ring(ring, q_vector->tx) {
+ if (!fm10k_clean_tx_irq(q_vector, ring, budget))
+ clean_complete = false;
+ }
/* Handle case where we are called by netpoll with a budget of 0 */
if (budget <= 0)
@@ -1468,7 +1458,8 @@ static int fm10k_poll(struct napi_struct *napi, int budget)
int work = fm10k_clean_rx_irq(q_vector, ring, per_ring_budget);
work_done += work;
- clean_complete &= !!(work < per_ring_budget);
+ if (work >= per_ring_budget)
+ clean_complete = false;
}
/* If all work not completed, return budget and keep polling */
@@ -1943,8 +1934,7 @@ static void fm10k_assign_rings(struct fm10k_intfc *interface)
static void fm10k_init_reta(struct fm10k_intfc *interface)
{
u16 i, rss_i = interface->ring_feature[RING_F_RSS].indices;
- struct net_device *netdev = interface->netdev;
- u32 reta, *indir;
+ u32 reta;
/* If the Rx flow indirection table has been configured manually, we
* need to maintain it when possible.
@@ -1969,16 +1959,7 @@ static void fm10k_init_reta(struct fm10k_intfc *interface)
}
repopulate_reta:
- indir = kcalloc(fm10k_get_reta_size(netdev),
- sizeof(indir[0]), GFP_KERNEL);
-
- /* generate redirection table using the default kernel policy */
- for (i = 0; i < fm10k_get_reta_size(netdev); i++)
- indir[i] = ethtool_rxfh_indir_default(i, rss_i);
-
- fm10k_write_reta(interface, indir);
-
- kfree(indir);
+ fm10k_write_reta(interface, NULL);
}
/**
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-15 08:32:07 +0000